* AcessMicro VFS
* - Root Filesystem Driver
*/
+#define DEBUG 0
#include <acess.h>
#include <vfs.h>
#include <vfs_ramfs.h>
#define MAX_FILES 64
// === PROTOTYPES ===
-tVFS_Node *Root_InitDevice(char *Device, char **Options);
- int Root_MkNod(tVFS_Node *Node, char *Name, Uint Flags);
-tVFS_Node *Root_FindDir(tVFS_Node *Node, char *Name);
+tVFS_Node *Root_InitDevice(const char *Device, const char **Options);
+ int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags);
+tVFS_Node *Root_FindDir(tVFS_Node *Node, const char *Name);
char *Root_ReadDir(tVFS_Node *Node, int Pos);
Uint64 Root_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
Uint64 Root_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
-tRamFS_File *Root_int_AllocFile();
+tRamFS_File *Root_int_AllocFile(void);
// === GLOBALS ===
tVFS_Driver gRootFS_Info = {
- "rootfs", 0,
- Root_InitDevice,
- NULL, // Unmount
- NULL
-};
+ "rootfs", 0, Root_InitDevice, NULL, NULL
+ };
tRamFS_File RootFS_Files[MAX_FILES];
tVFS_ACL RootFS_DirACLs[3] = {
{{0,0}, {0,VFS_PERM_ALL}}, // Owner (Root)
// === CODE ===
/**
- * \fn tVFS_Node *Root_InitDevice(char *Device, char **Options)
* \brief Initialise the root filesystem
*/
-tVFS_Node *Root_InitDevice(char *Device, char **Options)
+tVFS_Node *Root_InitDevice(const char *Device, const char **Options)
{
tRamFS_File *root;
if(strcmp(Device, "root") != 0) {
}
/**
- * \fn int Root_MkNod(tVFS_Node *Node, char *Name, Uint Flags)
+ * \fn int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags)
* \brief Create an entry in the root directory
*/
-int Root_MkNod(tVFS_Node *Node, char *Name, Uint Flags)
+int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags)
{
tRamFS_File *parent = Node->ImplPtr;
- tRamFS_File *child = parent->Data.FirstChild;
+ tRamFS_File *child;
tRamFS_File *prev = (tRamFS_File *) &parent->Data.FirstChild;
ENTER("pNode sName xFlags", Node, Name, Flags);
+ LOG("%i > %i", strlen(Name)+1, sizeof(child->Name));
+ if(strlen(Name) + 1 > sizeof(child->Name))
+ LEAVE_RET('i', 0);
+
// Find last child, while we're at it, check for duplication
- for( ; child; prev = child, child = child->Next )
+ for( child = parent->Data.FirstChild; child; prev = child, child = child->Next )
{
if(strcmp(child->Name, Name) == 0) {
LEAVE('i', 0);
child = Root_int_AllocFile();
memset(child, 0, sizeof(tRamFS_File));
- child->Name = malloc(strlen(Name)+1);
strcpy(child->Name, Name);
child->Parent = parent;
}
/**
- * \fn tVFS_Node *Root_FindDir(tVFS_Node *Node, char *Name)
+ * \fn tVFS_Node *Root_FindDir(tVFS_Node *Node, const char *Name)
* \brief Find an entry in the filesystem
*/
-tVFS_Node *Root_FindDir(tVFS_Node *Node, char *Name)
+tVFS_Node *Root_FindDir(tVFS_Node *Node, const char *Name)
{
tRamFS_File *parent = Node->ImplPtr;
tRamFS_File *child = parent->Data.FirstChild;
for( ; child && Pos--; child = child->Next ) ;
- if(Pos) return strdup(child->Name);
+ if(child) return strdup(child->Name);
return NULL;
}
}
/**
- * \fn tRamFS_File *Root_int_AllocFile()
+ * \fn tRamFS_File *Root_int_AllocFile(void)
* \brief Allocates a file from the pool
*/
-tRamFS_File *Root_int_AllocFile()
+tRamFS_File *Root_int_AllocFile(void)
{
int i;
for( i = 0; i < MAX_FILES; i ++ )
{
- if( RootFS_Files[i].Name == NULL )
+ if( RootFS_Files[i].Name[0] == '\0' )
{
return &RootFS_Files[i];
}